Comparison

Catalytic Converter Database vs Converters Unlimited

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Catalytic Converter Database

Access a comprehensive database of catalytic converters with real-time pricing based on XRF values. Browse by manufacturer or code, view high-quality images, and stay updated with daily additions and market rate changes.

Highlights
  • Real-time pricing updated every 15 minutes
  • Daily additions of new converters
  • Advanced search by serial number or code
  • Browse by manufacturer and category
  • Multiple high-quality product images
  • Smooth animated image carousels
Features
Read full description

Catalytic Converter Database is an online database of catalytic converters based on XRF values. The values are calculated based on current market values every 15 minutes. We are adding newly sampled catalytic converters daily! NEW: Enhanced Image Viewing Experience Browse product images with our new smooth animated carousels! Swipe through multiple converter photos with interactive pagination dots. View details with stunning 3D parallax effects and tap thumbnails for instant navigation. Professional image galleries make identifying converters faster and easier than ever. How It Works: Simply type in a portion of the code in the search or browse by manufacturer or category. Access high-quality images from multiple angles to confidently identify converters. Pricing Information: All values are set at 85% of the market value. Pt (Platinum), Pd (Palladium), and Rh (Rhodium) values are indicated at the top of the screen and updated every 15 minutes based on current market rates. Key Features: • Real-time pricing updated every 15 minutes • Daily additions of newly sampled converters • Advanced search by serial number or code • Browse by manufacturer and category • Multiple high-quality product images • Smooth animated image carousels • Interactive thumbnails for quick viewing • Detailed specifications for each converter Perfect For: • Scrap yard operators • Auto recyclers • Catalytic converter buyers • Automotive professionals • Metal recyclers Subscription Features: Unlock full pricing information and access to our premium converter database with priority support and regular content updates. Stay ahead of the market with accurate, up-to-date converter information at your fingertips!

About

Converters Unlimited

Features
Read full description

Converters Unlimited are please to provide auto technicians everywhere with a state-of-the-art catalog tool equipped with VIN Scanning and License-Plate-to-Part technology to help ensure the correct Catalytic Converters are installed. Ensure you're compliant and installing the correct converter based on your state's emission laws with our easy to use selector. We also specialize in stock exhaust, performance exhaust, and any accessories needed to complete the exhaust job.

Screenshots

Catalytic Converter Database4 screens
Converters Unlimited3 screens

Verdict

The call

The clearest difference is in-app purchases: Converters Unlimited at none against Catalytic Converter Database's 2. Catalytic Converter Database's advantage is update cadence (every 2 months vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Catalytic Converter Database sells 2 in-app purchases, starting at $24.99 per month. Converters Unlimited asks for nothing beyond the download.

UpkeepUpdate frequency

Catalytic Converter Database ships an update every 2 months, Converters Unlimited every 17 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Catalytic Converter Database versus Converters Unlimited: the parameters behind the verdict, then further details
ParameterCatalytic Converter DatabaseConverters Unlimited
PriceFreeFree
Rating3.1 (20 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings20 — better—
Update frequencyEvery 2 months — betterEvery 17 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size24 MB40 MB
Age rating4+4+
DeveloperCONVERTERDATABASE LLCConverters Unlimited, Inc

In-app purchases

2 purchases

Catalytic Converter Database

Subscriptions2
  • Converter Database Monthly$24.991 Month
  • Converter Database Yearly$249.991 Year
None

Converters Unlimited

No in-app purchases

Questions

Is Catalytic Converter Database free?
Catalytic Converter Database is free to download, with in-app purchases available.
Is Converters Unlimited free?
Converters Unlimited is free to download, with no in-app purchases.
Do Catalytic Converter Database or Converters Unlimited have ads?
Neither Catalytic Converter Database nor Converters Unlimited shows ads.
Which is updated more often, Catalytic Converter Database or Converters Unlimited?
Catalytic Converter Database ships an update every 2 months, and Converters Unlimited every 17 months. Most recently, Catalytic Converter Database was updated on October 27, 2026 and Converters Unlimited on October 25, 2026.

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